Cornell engineers have created a deep-ultraviolet laser using semiconductor materials that show great promise for improving the use of ultraviolet light for sterilizing medical tools, purifying water, sensing hazardous gases and enabling precision ph
A team of Cornell University engineers has built a deep-ultraviolet laser made up of semiconductor materials that demonstrate immense promise for enhancing the use of ultraviolet (UV) light for sanitizing water, sensing unsafe gases, and sterilizing medical tools, facilitating precision photolithography, and so on.